/Engine/Source/Developer/SharedSettingsWidgets/Public/ManifestUpdateHelper.h
Replaces the text in InOutString between MatchPrefix and MatchSuffix with NewInfix, returning true if it was found.
static bool ReplaceStringPortion ( [FString](API\Runtime\Core\Containers\FString) & InOutString, const [FString](API\Runtime\Core\Containers\FString) & MatchPrefix, const [FString](API\Runtime\Core\Containers\FString) & MatchSuffix, const [FString](API\Runtime\Core\Containers\FString) & NewInfix )